Home / 12,395,579.70-18,593,369.55-7,356,731.70

Finding the Fourth Proportional to 12,395,579.70, 18,593,369.55 and 7,356,731.70

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Solution

The fourth proportional to 12,395,579.70, 18,593,369.55 and 7,356,731.70 is: 11,035,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395,579.70 : 18,593,369.55 = 7,356,731.70 : x
  2. Step 2: Convert to fraction form
    12,395,579.70/18,593,369.55 = 7,356,731.70/x
  3. Step 3: Cross multiply
    12,395,579.70x = 18,593,369.55 × 7,356,731.70
  4. Step 4: Simplify right side
    12,395,579.70x = 136,786,431,178,299.75
  5. Step 5: Solve for x
    x = 136,786,431,178,299.75/12,395,579.70
  6. Step 6: Final answer
    x = 11,035,097.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.